Description: Peptide to [Phe4]-Dermorphin (1-4) amide Form: Lyophilized powder CAS Number : 118476-87-2Molecular Formula : C30H35N5O5Molecular Weight : 545.64Purity : > 95%Chemical Structure : Tyr-D-Ala-Phe-Phe-NH2Application : This relatively lipophilic molecule shows high µ-receptor affinity, excellent µ-selectivity, and seems to be able to cross the blood-brain barrier.Storage/Stability : Shipped at 4°C. Store at -20°C for one year.